380518138

Names of 380518138

• Cardinal: 380518138 can be written as Three hundred eighty million, five hundred eighteen thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 3.80518138 × 10⁸

Factors of 380518138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 537

Divisors of 380518138

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 7 11 13 14 22 26 37 74 77 91 121 143 154 182 242 259 286 407 467 481 518 814 847 934 962 1001 1573 1694 2002 2849 3146 3269 3367 4477 5137 5291 5698 6071 6538 6734 8954 10274 10582 11011 12142 17279 22022 31339 34558 35959 37037 42497 56507 58201 62678 66781 71918 74074 84994 113014 116402 120953 133562 190069 224627 241906 380138 395549 407407 449254 467467 734591 791098 814814 934934 1330483 1469182 1572389 2090759 2470897 2660966 3144778 4181518 4941794 5142137 10284274 14635313 17296279 27179867 29270626 34592558 54359734 190259069 380518138
• Sum of all divisors σ(n): 794731392
• Sum of proper divisors (its aliquot sum) s(n): 414213254
• 380518138 is an abundant number, because the sum of its proper divisors (414213254) is greater than itself. Its abundance is 33695116

Bases of 380518138

• Binary: 10110101011100011111011111010₂
• Hexadecimal: 0x16AE3EFA
• Base-36: 6AJTOA

Squares and roots of 380518138

• 380518138 squared (380518138²) is 144794053346987044
• 380518138 cubed (380518138³) is 55096763573068177893004072
• The square root of 380518138 is 19506.8741217039
• The cube root of 380518138 is 724.6447013741

Scales and comparisons

• 380,518,138 seconds is equal to 12 years, 5 weeks, 1 day, 3 hours, 28 minutes, 58 seconds.
• To count from 1 to 380,518,138 would take you about eighteen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 380518138 cubic inches would be around 60.4 feet tall.

Recreational maths with 380518138

• 380518138 backwards is 831815083
• 380518138 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 380518138's digits is 37
• More coming soon!